There are two levels of Consciousness: Sensory perception and Extra sensory perception. We usually live more on the level of sensory perception. To understand sensory perception, a little analysis is necessary. Our five senses are -sense of Touch, Taste, Smell, Sight and Hearing.

Scientific breathing begins with a slow, calm and complete exhalation. Contraction of the abdominal muscles helps to evacuate the lungs by raising the diaphragm. Having emptied the lungs, the next step is to fill it up to the maximum extent.